Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to JP2932174ApriorityCriticalpatent/JPS5418679B2/ja
Priority to GB3083374Aprioritypatent/GB1445672A/en
Priority to DE19742433279prioritypatent/DE2433279C2/de
Publication of JPS50122493ApublicationCriticalpatent/JPS50122493A/ja
Priority to US05/680,538prioritypatent/US4061583A/en
Publication of JPS5418679B2publicationCriticalpatent/JPS5418679B2/ja
